[clang] f8c7457 - [NFC] Avoid potential null dereference. (#126872)

[via cfe-commits]

Author: schittir
Date: 2025-02-12T09:36:02-08:00
New Revision: f8c7457c79eece1bd1b7f15e7679517c7c63ad89

URL: https://github.com/llvm/llvm-project/commit/f8c7457c79eece1bd1b7f15e7679517c7c63ad89
DIFF: https://github.com/llvm/llvm-project/commit/f8c7457c79eece1bd1b7f15e7679517c7c63ad89.diff

LOG: [NFC] Avoid potential null dereference. (#126872)

Add a null check.

Added: 
    

Modified: 
    clang/lib/Format/UnwrappedLineFormatter.cpp

Removed: 
    


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diff  --git a/clang/lib/Format/UnwrappedLineFormatter.cpp b/clang/lib/Format/UnwrappedLineFormatter.cpp
index 46545aa1f4c07..a5b30c85974c7 100644
--- a/clang/lib/Format/UnwrappedLineFormatter.cpp
+++ b/clang/lib/Format/UnwrappedLineFormatter.cpp
@@ -1596,7 +1596,7 @@ static auto computeNewlines(const AnnotatedLine &Line,
     if (Line.startsWith(TT_NamespaceRBrace)) {
       if (Style.WrapNamespaceBodyWithEmptyLines == FormatStyle::WNBWELS_Never)
         Newlines = 1;
-      else if (!PreviousLine->startsWith(TT_NamespaceRBrace))
+      else if (PreviousLine && !PreviousLine->startsWith(TT_NamespaceRBrace))
         Newlines = std::max(Newlines, 2u);
     }
   }